The Sumner Tunnel reopened Monday morning after an emergency inspection amid safety concerns in its sister tunnel, the Callahan.Earlier last week more than 100 corroded panels were removed from the Callahan Tunnel. That check came after a panel fell onto the road last week.Early Monday morning, inspectors tested the stability of 2,400 panels that line the Sumner Tunnel walls. "We did find a few loose panels and overnight we did remove 26 loose panels in the Sumner," MassDot Administrator Frank DePaola said.It took crews only about four hours to inspect and reopen the tunnel. The inspections were ordered after a panel gave way in the Callahan Tunnel two weeks ago. "Overall we found the conditions in the Sumner are better than the Callahan, but not unexpected because the Sumner was renovated several years after the Callahan," DePaola said.MassDOT plans regular inspections of both tunnels until at least next winter, when it plans on possibly removing the panels in the Callahan altogether, or more likely, installing a new anchor system that resists the rust. The changes would be part of a 10 year, $14 billion plan to fix the crumbling infrastructure."These aging assets, as I call them, need to be repaired or replaced," DePaola said.The next round of inspections on the Callahan is set for March. The Sumner will get a checkup every six months.The Sumner Tunnel, which was built in the 1930s, carries vehicles from East Boston/Logan Airport to downtown Boston.

BOSTON —

The Sumner Tunnel reopened Monday morning after an emergency inspection amid safety concerns in its sister tunnel, the Callahan.

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Earlier last week more than 100 corroded panels were removed from the Callahan Tunnel. That check came after a panel fell onto the road last week.

Early Monday morning, inspectors tested the stability of 2,400 panels that line the Sumner Tunnel walls.

"We did find a few loose panels and overnight we did remove 26 loose panels in the Sumner," MassDot Administrator Frank DePaola said.

It took crews only about four hours to inspect and reopen the tunnel.

The inspections were ordered after a panel gave way in the Callahan Tunnel two weeks ago.

"Overall we found the conditions in the Sumner are better than the Callahan, but not unexpected because the Sumner was renovated several years after the Callahan," DePaola said.

MassDOT plans regular inspections of both tunnels until at least next winter, when it plans on possibly removing the panels in the Callahan altogether, or more likely, installing a new anchor system that resists the rust. The changes would be part of a 10 year, $14 billion plan to fix the crumbling infrastructure.

"These aging assets, as I call them, need to be repaired or replaced," DePaola said.

The next round of inspections on the Callahan is set for March. The Sumner will get a checkup every six months.

The Sumner Tunnel, which was built in the 1930s, carries vehicles from East Boston/Logan Airport to downtown Boston.